using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(IterativeCalculation(3));

        Console.WriteLine(Recursive(5));

    }

    // VTORA ZADACHA

public static int IterativeCalculation(int x)

        {

            var counter = 0;

            while(x != 1)

            {

                if(x % 2 == 0)

                {

                    x = x / 2;

                }

                else

                {

                    x = (x * 3) + 1;

                }

                counter++;

            }

            return counter;

        }

    public static int Recursive(int x)

        {

            int counter = 0;

            if(x == 1)

            {

                return counter;

            }

            if (x % 2 == 0)

            {

                x = x / 2;

            }

            else

            {

                x = (x * 3) + 1;

            }

            counter++;

            counter += Recursive(x);

            return counter;

        }

}